Incidental Mutation 'R0084:Pik3ca'
ID 163255
Institutional Source Beutler Lab
Gene Symbol Pik3ca
Ensembl Gene ENSMUSG00000027665
Gene Name phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha
Synonyms 6330412C24Rik, caPI3K, p110alpha
MMRRC Submission 038371-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0084 (G1)
Quality Score 201
Status Validated
Chromosome 3
Chromosomal Location 32451203-32520256 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 32516937 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Threonine at position 933 (M933T)
Ref Sequence ENSEMBL: ENSMUSP00000103877 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029201] [ENSMUST00000108242] [ENSMUST00000108243]
AlphaFold P42337
Predicted Effect probably benign
Transcript: ENSMUST00000029201
AA Change: M1055T

PolyPhen 2 Score 0.144 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000029201
Gene: ENSMUSG00000027665
AA Change: M1055T

DomainStartEndE-ValueType
PI3K_p85B 31 108 3.03e-46 SMART
PI3K_rbd 173 292 5e-47 SMART
PI3K_C2 322 425 2.39e-35 SMART
C2 333 441 3.95e-1 SMART
PI3Ka 518 704 8.35e-99 SMART
Blast:PI3Kc 733 766 1e-11 BLAST
PI3Kc 798 1065 8.82e-130 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000108242
AA Change: M933T

PolyPhen 2 Score 0.783 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000103877
Gene: ENSMUSG00000027665
AA Change: M933T

DomainStartEndE-ValueType
PI3K_rbd 51 170 5e-47 SMART
PI3K_C2 200 303 2.39e-35 SMART
C2 211 319 3.95e-1 SMART
PI3Ka 396 582 8.35e-99 SMART
Blast:PI3Kc 611 644 1e-11 BLAST
PI3Kc 676 943 8.82e-130 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000108243
AA Change: M1055T

PolyPhen 2 Score 0.144 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000103878
Gene: ENSMUSG00000027665
AA Change: M1055T

DomainStartEndE-ValueType
PI3K_p85B 31 108 3.03e-46 SMART
PI3K_rbd 173 292 5e-47 SMART
PI3K_C2 322 425 2.39e-35 SMART
C2 333 441 3.95e-1 SMART
PI3Ka 518 704 8.35e-99 SMART
Blast:PI3Kc 733 766 1e-11 BLAST
PI3Kc 798 1065 8.82e-130 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000195230
Meta Mutation Damage Score 0.5072 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.0%
  • 10x: 94.5%
  • 20x: 86.0%
Validation Efficiency 99% (77/78)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Phosphatidylinositol 3-kinase is composed of an 85 kDa regulatory subunit and a 110 kDa catalytic subunit. The protein encoded by this gene represents the catalytic subunit, which uses ATP to phosphorylate PtdIns, PtdIns4P and PtdIns(4,5)P2. This gene has been found to be oncogenic and has been implicated in cervical cancers. A pseudogene of this gene has been defined on chromosome 22. [provided by RefSeq, Apr 2016]
PHENOTYPE: Homozygous null or knock-in mutations of this gene lead to embryonic death associated with growth retardation, vascular defects and hemorrhage. Surviving mice homozygous for a knock-in allele show impaired lymphangiogenesis, ascites, reduced weight, and resistance to Ras-driven skin tumorigenesis. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8a A G 11: 109,927,423 (GRCm39) probably benign Het
Abcc9 A G 6: 142,604,277 (GRCm39) Y653H probably damaging Het
Acp3 A T 9: 104,191,564 (GRCm39) S241T probably benign Het
Acvr1 A G 2: 58,348,895 (GRCm39) probably null Het
Adgb T C 10: 10,272,088 (GRCm39) N832S possibly damaging Het
AI182371 A G 2: 34,975,714 (GRCm39) probably null Het
Anapc1 G A 2: 128,465,886 (GRCm39) probably benign Het
Apba1 T C 19: 23,889,861 (GRCm39) S420P possibly damaging Het
Ass1 A T 2: 31,404,831 (GRCm39) N371Y probably damaging Het
Bpifb2 A T 2: 153,733,011 (GRCm39) M365L probably benign Het
Btnl9 A T 11: 49,069,606 (GRCm39) N224K possibly damaging Het
Cntn1 A T 15: 92,215,798 (GRCm39) I944L probably benign Het
Cpa3 T C 3: 20,296,265 (GRCm39) probably benign Het
Dcaf11 C T 14: 55,806,700 (GRCm39) R468C probably benign Het
E4f1 T C 17: 24,663,056 (GRCm39) T750A possibly damaging Het
Ercc5 A G 1: 44,215,136 (GRCm39) K890E possibly damaging Het
Fbrsl1 A G 5: 110,527,381 (GRCm39) L262P probably damaging Het
Flnb A G 14: 7,935,979 (GRCm38) D2273G probably benign Het
Gm9848 A T 13: 113,244,776 (GRCm39) noncoding transcript Het
Hcrtr1 T A 4: 130,031,059 (GRCm39) H75L possibly damaging Het
Heatr9 A T 11: 83,403,721 (GRCm39) probably benign Het
Htatip2 G A 7: 49,409,420 (GRCm39) G58D probably damaging Het
Jkampl A T 6: 73,445,918 (GRCm39) Y210* probably null Het
Lmntd1 G A 6: 145,350,254 (GRCm39) H234Y unknown Het
Ly6g2 T A 15: 75,089,624 (GRCm39) M44K probably benign Het
Map4k3 T C 17: 80,963,343 (GRCm39) K85E possibly damaging Het
Moxd2 T C 6: 40,856,342 (GRCm39) D510G probably null Het
Mpv17l2 A T 8: 71,217,190 (GRCm39) probably benign Het
Nbeal2 A G 9: 110,472,778 (GRCm39) probably null Het
Ncapd3 A G 9: 26,967,407 (GRCm39) D581G probably damaging Het
Ndufb5 T C 3: 32,791,352 (GRCm39) V33A probably benign Het
Or10a49 A T 7: 108,468,007 (GRCm39) M118K probably damaging Het
Osbpl1a T C 18: 12,890,669 (GRCm39) T524A probably benign Het
Otogl A C 10: 107,737,202 (GRCm39) S71A probably damaging Het
Ovol2 G T 2: 144,147,808 (GRCm39) N180K probably damaging Het
Pam A G 1: 97,823,774 (GRCm39) V219A probably benign Het
Paox C T 7: 139,712,359 (GRCm39) R197* probably null Het
Pax2 T A 19: 44,806,874 (GRCm39) Y290N probably damaging Het
Ppfia4 G T 1: 134,227,164 (GRCm39) R1124S possibly damaging Het
Prkch T C 12: 73,744,761 (GRCm39) F258S possibly damaging Het
Rhob G A 12: 8,549,107 (GRCm39) R176C probably benign Het
Sbf2 A T 7: 110,041,573 (GRCm39) I326N possibly damaging Het
Scgb2b2 A T 7: 31,003,041 (GRCm39) E45D probably benign Het
Scube3 T A 17: 28,381,935 (GRCm39) D320E probably benign Het
Serpina1f A G 12: 103,659,847 (GRCm39) V145A possibly damaging Het
Slc28a2b A G 2: 122,353,314 (GRCm39) Y498C possibly damaging Het
Slc6a5 A C 7: 49,579,761 (GRCm39) I380L probably benign Het
Spag16 A G 1: 70,035,998 (GRCm39) N342S probably benign Het
Spata16 A G 3: 26,721,559 (GRCm39) T27A possibly damaging Het
Spock3 A C 8: 63,596,963 (GRCm39) K89T probably damaging Het
Tbc1d1 T C 5: 64,481,797 (GRCm39) V795A probably damaging Het
Tirap G T 9: 35,100,458 (GRCm39) H75Q probably benign Het
Tpk1 C A 6: 43,323,763 (GRCm39) V229L possibly damaging Het
Tshz2 A G 2: 169,726,286 (GRCm39) H294R probably damaging Het
Ttn A T 2: 76,703,043 (GRCm39) probably benign Het
Unc13d C T 11: 115,954,657 (GRCm39) V984M probably damaging Het
Zbtb43 A T 2: 33,343,996 (GRCm39) Y373N probably damaging Het
Zfp646 T A 7: 127,480,476 (GRCm39) H884Q possibly damaging Het
Other mutations in Pik3ca
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01284:Pik3ca APN 3 32,516,733 (GRCm39) missense probably damaging 1.00
IGL01894:Pik3ca APN 3 32,504,175 (GRCm39) missense possibly damaging 0.91
IGL03118:Pik3ca APN 3 32,514,084 (GRCm39) missense probably damaging 1.00
IGL03184:Pik3ca APN 3 32,494,035 (GRCm39) missense probably benign 0.27
IGL03401:Pik3ca APN 3 32,491,963 (GRCm39) splice site probably null
Interrupted UTSW 3 32,492,211 (GRCm39) missense probably damaging 1.00
Lilfella UTSW 3 32,508,569 (GRCm39) missense probably damaging 1.00
Peninsular UTSW 3 32,516,970 (GRCm39) missense probably benign 0.38
Severed UTSW 3 32,492,076 (GRCm39) missense possibly damaging 0.65
R0116:Pik3ca UTSW 3 32,514,094 (GRCm39) missense probably damaging 1.00
R0278:Pik3ca UTSW 3 32,493,902 (GRCm39) missense possibly damaging 0.60
R0513:Pik3ca UTSW 3 32,515,660 (GRCm39) missense probably damaging 1.00
R0543:Pik3ca UTSW 3 32,504,410 (GRCm39) critical splice acceptor site probably null
R0622:Pik3ca UTSW 3 32,490,701 (GRCm39) missense probably damaging 1.00
R0630:Pik3ca UTSW 3 32,504,176 (GRCm39) missense possibly damaging 0.91
R1193:Pik3ca UTSW 3 32,510,242 (GRCm39) missense probably damaging 0.99
R1292:Pik3ca UTSW 3 32,508,569 (GRCm39) missense probably damaging 1.00
R1464:Pik3ca UTSW 3 32,515,990 (GRCm39) missense probably damaging 1.00
R1464:Pik3ca UTSW 3 32,515,990 (GRCm39) missense probably damaging 1.00
R1869:Pik3ca UTSW 3 32,504,499 (GRCm39) missense probably damaging 0.99
R1962:Pik3ca UTSW 3 32,498,016 (GRCm39) missense probably benign 0.27
R1969:Pik3ca UTSW 3 32,505,903 (GRCm39) critical splice acceptor site probably null
R2006:Pik3ca UTSW 3 32,504,206 (GRCm39) missense probably damaging 1.00
R2264:Pik3ca UTSW 3 32,492,076 (GRCm39) missense possibly damaging 0.65
R2366:Pik3ca UTSW 3 32,516,943 (GRCm39) nonsense probably null
R2680:Pik3ca UTSW 3 32,498,034 (GRCm39) missense probably benign 0.00
R2680:Pik3ca UTSW 3 32,490,697 (GRCm39) nonsense probably null
R3001:Pik3ca UTSW 3 32,516,946 (GRCm39) missense probably damaging 1.00
R3002:Pik3ca UTSW 3 32,516,946 (GRCm39) missense probably damaging 1.00
R4303:Pik3ca UTSW 3 32,494,084 (GRCm39) nonsense probably null
R4416:Pik3ca UTSW 3 32,515,679 (GRCm39) missense probably damaging 0.99
R4758:Pik3ca UTSW 3 32,492,127 (GRCm39) missense probably benign 0.20
R4822:Pik3ca UTSW 3 32,492,131 (GRCm39) missense probably benign 0.04
R4856:Pik3ca UTSW 3 32,491,312 (GRCm39) missense probably damaging 1.00
R4886:Pik3ca UTSW 3 32,491,312 (GRCm39) missense probably damaging 1.00
R5297:Pik3ca UTSW 3 32,504,202 (GRCm39) missense probably damaging 1.00
R5636:Pik3ca UTSW 3 32,515,709 (GRCm39) missense probably damaging 1.00
R5663:Pik3ca UTSW 3 32,516,928 (GRCm39) missense probably damaging 1.00
R6249:Pik3ca UTSW 3 32,515,712 (GRCm39) missense probably damaging 1.00
R6264:Pik3ca UTSW 3 32,494,863 (GRCm39) critical splice donor site probably null
R6347:Pik3ca UTSW 3 32,516,970 (GRCm39) missense probably benign 0.38
R6538:Pik3ca UTSW 3 32,493,853 (GRCm39) missense probably damaging 1.00
R7020:Pik3ca UTSW 3 32,490,428 (GRCm39) missense probably damaging 0.97
R7720:Pik3ca UTSW 3 32,490,367 (GRCm39) missense probably damaging 1.00
R7864:Pik3ca UTSW 3 32,497,762 (GRCm39) nonsense probably null
R8218:Pik3ca UTSW 3 32,491,996 (GRCm39) missense possibly damaging 0.74
R8478:Pik3ca UTSW 3 32,505,997 (GRCm39) missense probably benign
R9100:Pik3ca UTSW 3 32,514,168 (GRCm39) missense probably damaging 1.00
R9169:Pik3ca UTSW 3 32,503,755 (GRCm39) critical splice donor site probably null
R9255:Pik3ca UTSW 3 32,496,981 (GRCm39) critical splice donor site probably null
R9267:Pik3ca UTSW 3 32,492,211 (GRCm39) missense probably damaging 1.00
R9278:Pik3ca UTSW 3 32,508,587 (GRCm39) missense probably damaging 1.00
R9501:Pik3ca UTSW 3 32,504,062 (GRCm39) missense probably damaging 1.00
R9555:Pik3ca UTSW 3 32,505,916 (GRCm39) missense probably damaging 1.00
Z1177:Pik3ca UTSW 3 32,492,116 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CAGCTCACTGACCAGATGTTCTTCC -3'
(R):5'- AGTGCTATCAAACCCTGCTTGCG -3'

Sequencing Primer
(F):5'- AGGCTTACCTAGCAATTCGG -3'
(R):5'- ACCCTGCTTGCGTGTACAG -3'
Posted On 2014-03-19